2. Balance the following equations: a) K(s) + H2O(1) K*(aq) + OH(aq) + H2(aq)

if the volume percentage is 40 and density is 0.8095^20 and molar mass is 60.095. How do I find the molar %?

What is the 'Theoritical Yield' in moles and grams of calcium hydroxide

Balance and reactants 7-10

please solve this.

5) If all the NaHCO3 in bag 2 reacted, calculate the number of moles of gas produced? tates) E Focus

pls answer all of them.

In a closed system, equal amounts of ammonia and oxygen react to produce nitrogen monoxide and water. What is the limiting reactant? NH3 4NH3 + 502 - 4NO + 6H,0 NO H20 OO O

100% Normal text Arial 11 B 1 - 1 2 3. 4 I5 6 7 8 T9 1 10 11 I 12 13 2. Copper (1) carbonate heptahydrate has the chemical formula a) CUCO3.5H20 b) CU2CO3.5H2O c) CuCoz. 7H20 d) Cu2CO3. 7H20 B. A double displacement reaction may be defined as: a) two or more simple substances producing a more complex substance *b) a more complex substance breaking down into simpler ones c) one element replacing another element in a compound d) a reaction involving two ionic compounds where the cations and anions replace each other Neutralisation occurs when: a) an acid is mixed with water b) a base is mixed with water c) a salt is mixed with an acid d) an acid is mixed with a base 山TOA Ai étv Book Pro

H2O2(1) + SO2(g) -> H2SO4(aq) Express your answer as a chemical equation including phases. If the initial reaction is already balanced, enter the initial reaction.